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As a promising photovoltaic device, perovskite solar cell (PSC) has gained remarkable attention and shows breathtaking development. In the PSC device, hole transporting material (HTM) is a crucial component to efficiently extract and collect photoinduced charges. In this study, two novel dithiafulvenyl-based small molecules are designed and synthesized as HTMs for PSCs. The only difference of the...
Each interface is crucial to perovskite solar cells (PSCs), so the interface modification is often used to improve the PV performances. In this manuscript, an environment-friendly cesium iodide (CsI) interface layer between the mesoporous TiO2 (mp-TiO2) and the MAPbI3 perovskite active layer was introduced to improve the PV performances and stabilities of PSCs and significantly reduce hysteresis of...
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